A biodegradable and environmentally friendly fruit and vegetable packaging marking device

Abstract

This utility model relates to the field of packaging marking machine technology, and discloses a biodegradable and environmentally friendly fruit and vegetable packaging marking device, including a first support frame, a second support frame fixedly connected to one end of the first support frame, a first fixing block fixedly connected to the top of the second support frame, and a nitrogen filling mechanism disposed inside one end of the first fixing block. The nitrogen filling mechanism includes a cylinder, an air inlet pipe fixedly connected to the output end of the cylinder, an air pump fixedly connected to one end of the air inlet pipe, an output end of the air pump fixedly connected to one end of the air inlet pipe, and a nitrogen tank fixedly connected to the input end of the air pump. In this utility model, nitrogen is output from the nitrogen tank, the nitrogen tank is connected to the input end of the air pump, the output end of the air pump is connected to the air inlet pipe, and the air inlet pipe extends into the packaging film that has been sealed on both sides and the front end to inject nitrogen. The cylinder controls the entry and exit of the air inlet pipe in the packaging film, injecting nitrogen into the fruit and vegetable packaging, which not only reduces the collision of fruits and vegetables during transportation, but also extends the shelf life of fruits and vegetables.

Description

Technical Field

[0001] This utility model relates to the field of packaging marking machine technology, and in particular to a biodegradable and environmentally friendly fruit and vegetable packaging marking device. Background Technology

[0002] Fruit and vegetable packaging and labeling devices are mechanical equipment used for automated or semi-automated sorting, weighing, and packaging of fruits and vegetables. They aim to improve efficiency, reduce waste, extend shelf life, and meet market requirements for product appearance and hygiene standards. By integrating optical sorting (identifying size, color, and defects), precise weighing and grading, and diverse packaging methods (such as tray securing fragile berries, mesh bag packaging for citrus and onions, heat-shrink film wrapping for melons and eggplants, and modified atmosphere packaging to extend shelf life), they significantly improve packaging efficiency (hundreds to thousands of pieces per hour), effectively reducing labor costs and transportation losses. These devices are compatible with environmentally friendly materials and meet the needs of different fruit and vegetable characteristics (softness / hardness, breathability requirements) and scenarios (large-scale processing plant production lines, farm-to-farm pre-packaging, and customized small-portion boxes for fresh produce e-commerce). Their core value lies in enhancing the commercialization of fruits and vegetables, extending shelf life, and increasing product added value.

[0003] The packaging and labeling machines for fruits and vegetables do not completely seal the packaging; they only protect the surface of the fruits and vegetables. Some existing equipment seals the fruits and vegetables, but at the same time retains air inside the packaging. The air inside the packaging is not conducive to the preservation of the fruits and vegetables, and the amount of gas inside the packaging is insufficient. It is difficult to avoid damage caused by collisions between fruits and vegetables during transportation. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a biodegradable and environmentally friendly fruit and vegetable packaging marking device, which aims to improve the problems of insufficient shelf life of packaged fruits and vegetables and insufficient gas content in sealed packaging.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a biodegradable and environmentally friendly fruit and vegetable packaging marking device, comprising a first material conveyor belt, with a first support frame rotatably connected to both ends of the first material conveyor belt, an infrared sensor fixedly connected to the top of one end of the first support frame, a second support frame fixedly connected to one end of the first support frame, a second material conveyor belt rotatably connected to both ends of the second support frame, a first fixing block fixedly connected to the top of the second support frame, and a nitrogen filling mechanism provided inside one end of the first fixing block.

[0006] The nitrogen filling mechanism includes a cylinder. The top of the cylinder is fixedly connected to the inside of one side of the first fixed block. An air inlet pipe is fixedly connected to the output end of the cylinder. A membrane support plate is fixedly connected to the bottom of the cylinder. An air pump is fixedly connected to one end of the air inlet pipe. The output end of the air pump is fixedly connected to one end of the air inlet pipe. A nitrogen tank is fixedly connected to the input end of the air pump. A conveying and guiding mechanism is provided at one end of the first support frame. A guiding mechanism is provided at one end of the second support frame. A membrane polymerization mechanism is provided in the middle of the first fixed block. A marking mechanism is provided at the other end of the second support frame.

[0007] Furthermore, the conveying and guiding mechanism includes a second fixing block, the bottom of which is fixedly connected to the top of the four corners of the first support frame, and a sliding groove is provided on one side of the second fixing block, with a baffle slidably connected inside the sliding groove.

[0008] Furthermore, the guiding mechanism includes a first guide plate, one bottom end of the first guide plate is fixed to one end of a second support frame, the other bottom end of the first guide plate is fixed to one end of the first support frame, and a second guide plate is fixedly connected to the top of one end of the second support frame.

[0009] Furthermore, the biodegradable and environmentally friendly fruit and vegetable packaging marking device is characterized in that: the film polymerization mechanism includes a sealing device, and the two sides of the sealing device are fixedly connected inside the first fixing block.

[0010] Furthermore, the marking mechanism includes an electric slide rail, and a marking head is slidably connected to the middle of the electric slide rail.

[0011] Furthermore, a first motor is fixedly connected to the bottom of one end of the first support frame, and the output end of the first motor is rotatably connected to one end of the first material conveyor belt. A second motor is fixedly connected to one end of the second support frame, and the output end of the second motor is rotatably connected to one end of the second material conveyor belt.

[0012] Furthermore, a roller is rotatably connected to one end of the bottom of the first support frame.

[0013] Furthermore, a blade holder is fixedly connected to one end of the first fixing block, a horizontal sealing and sliding blade is slidably connected inside the blade holder, and a blade groove is fixedly connected to the bottom of the blade holder.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, nitrogen is output from a nitrogen cylinder, which is connected to the input end of an air pump. The output end of the air pump is connected to an air inlet pipe, which extends into the packaging film that has been sealed on both sides and the front end to inject nitrogen. A cylinder controls the entry and exit of the air inlet pipe in the packaging film. The film support plate below the air pump can also open the packaging film to prevent it from collapsing inward. Injecting nitrogen into the packaging of fruits and vegetables can not only reduce collisions during transportation, but also extend the shelf life of fruits and vegetables.

[0016] 2. In this utility model, the baffles can slide horizontally a certain distance via the grooves on the fixing blocks at the four corners. By adjusting the two baffles on both sides to control the distance between them, fruits and vegetables of different sizes and lengths can be fixed in the middle of the material conveyor belt and moved forward. This avoids unnecessary risks during packaging and labeling, such as damage to the fruits and vegetables. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a biodegradable and environmentally friendly fruit and vegetable packaging marking device proposed in this utility model.

[0018] Figure 2 This is a schematic diagram of the baffle portion of a biodegradable and environmentally friendly fruit and vegetable packaging marking device proposed in this utility model.

[0019] Figure 3 This is a schematic diagram of the film folding plate structure of a biodegradable and environmentally friendly fruit and vegetable packaging marking device proposed in this utility model.

[0020] Figure 4 This is a schematic diagram of the first fixing block of a biodegradable and environmentally friendly fruit and vegetable packaging marking device proposed in this utility model.

[0021] Figure 5 This is a schematic diagram of the electric slide rail part of a biodegradable and environmentally friendly fruit and vegetable packaging marking device proposed in this utility model.

[0022] Legend:

[0023] 1. First material conveyor belt; 2. Baffle; 3. First support frame; 4. First motor; 5. First guide plate; 6. Air pump; 7. Nitrogen tank; 8. Second support frame; 9. Second motor; 10. First fixing block; 11. Electric slide rail; 12. Second fixing block; 13. Slide groove; 14. Infrared sensor; 15. Roller; 16. Second guide plate; 17. Cylinder; 18. Membrane support plate; 19. Air inlet pipe; 20. Center sealer; 21. Knife holder; 22. Horizontal sealing slitting knife; 23. Marking head; 24. Second material conveyor belt; 25. Knife groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figures 1-4 This utility model provides an embodiment of a biodegradable and environmentally friendly fruit and vegetable packaging marking device, comprising a first material conveyor belt 1, which transports fruits and vegetables from one end to the other and onto a packaging film. First support frames 3 are rotatably connected to both ends of the first material conveyor belt 1, supporting the first material conveyor belt 1. An infrared sensor 14 is fixedly connected to the top of one end of the first support frame 3, which obtains the length of the fruits and vegetables and transmits this information to downstream equipment for later use. A second... Support frame 8, with a second material conveyor belt 24 rotatably connected to both ends of the second support frame 8. The second support frame 8 supports the second material conveyor belt 24, the guiding mechanism, the film polymerization mechanism, and the marking mechanism. The second material conveyor belt 24 transports the packaging film and the fruits and vegetables on the packaging film together, completing the film guiding, film polymerization, and marking packaging. A first motor 4 is fixedly connected to the bottom of one end of the first support frame 3. The output end of the first motor 4 is rotatably connected to one end of the first material conveyor belt 1, driving the first material conveyor belt 1. A second motor is fixedly connected to one end of the second support frame 8. 9. The output end of the second motor 9 is rotatably connected to one end of the second material conveyor belt 24. The second motor 9 drives the second material conveyor belt 24. The top of the second support frame 8 is fixedly connected to the first fixing block 10. The first fixing block 10 and the second support frame 8 together fix the nitrogen filling mechanism and the membrane polymerization mechanism. The nitrogen filling mechanism is provided inside one end of the first fixing block 10. The nitrogen filling mechanism includes a cylinder 17. The top of the cylinder 17 is fixedly connected to the inside of one side of the first fixing block 10. The output end of the cylinder 17 is fixedly connected to an air inlet pipe 19. The air inlet pipe 19 extends into and exits the packaging as the cylinder 17 moves in and out. A membrane support plate 18 is fixedly connected to the bottom of the cylinder 17 to prevent the folded packaging film from falling over. An air pump 6 is fixedly connected to one end of the air inlet pipe 19 to pump nitrogen into the packaging film. The output end of the air pump 6 is fixedly connected to one end of the air inlet pipe 19, and a nitrogen tank 7 is fixedly connected to the input end of the air pump 6 to provide high-purity nitrogen. A conveying and guiding mechanism is provided at one end of the first support frame 3, and a guiding mechanism is provided at one end of the second support frame 8. A membrane polymerization mechanism is provided in the middle of the first fixed block 10, and a marking mechanism is provided at the other end of the second support frame 8.

[0026] Reference Figures 1-3The conveying and guiding mechanism includes a second fixed block 12. The bottom of the second fixed block 12 is fixedly connected to the top of the four corners of the first support frame 3. A slid groove 13 is provided on one side of the second fixed block 12. A baffle 2 is slidably connected inside the slid groove 13. The baffle 2 can slide to a certain extent in the slid groove 13. The distance of the baffle 2 can be adjusted through the slid groove 13. It is fixed by bolts to adapt to the conveying of fruits and vegetables of different widths and to prevent the fruits and vegetables from deviating from the middle of the first material conveyor belt 1.

[0027] Reference Figures 1-3 The guiding mechanism includes a first guide plate 5. The packaging film is folded into a U-shape by the first guide plate 5. The fruits and vegetables are located in the middle of the upper part of the U-shaped packaging film. One bottom end of the first guide plate 5 is fixed to one end of the second support frame 8, and the other bottom end of the first guide plate 5 is fixed to one end of the first support frame 3. A second guide plate 16 is fixedly connected to the top of one end of the second support frame 8. The upper ends of both sides of the packaging film gradually approach each other through the second guide plate 16. A roller 15 is rotatably connected to the bottom of one end of the first support frame 3, and the packaging film is installed on the roller 15.

[0028] Reference Figures 1-4 The film polymerization mechanism includes a sealing device 20. As the fruit and vegetables continue to pass through the sealing device 20, the two sides of the polymerized packaging film are sealed. The two sides of the sealing device 20 are fixedly connected inside the first fixing block 10. A knife holder 21 is fixedly connected to one end of the first fixing block 10. A horizontal sealing and cutting knife 22 is slidably connected inside the knife holder 21. A knife groove 25 is fixedly connected to the bottom of the knife holder 21. The knife holder 21 controls the horizontal sealing and cutting knife 22 to slide downward and close with the knife groove 25, thereby cutting and sealing the front and rear ends of the packaging film.

[0029] Reference Figures 4-5 The marking mechanism includes an electric slide rail 11, with a marking head 23 slidably connected in the middle of the electric slide rail 11. After packaging, the product passes through the marking head 23 controlled by the electric slide rail 11 and is marked with a mark related to fruits and vegetables.

[0030] Working principle: When the biodegradable and environmentally friendly fruit and vegetable packaging and marking device is needed, the fruits and vegetables are placed on the first material conveyor belt 1. The first material conveyor belt 1 is driven by the first motor 4 and supported by the first support frame 3. Four second fixing blocks 12 are fixed on the first support frame 3. There are grooves 13 on the second fixing blocks 12. The baffles 2 can be adjusted through the grooves 13 to accommodate fruits and vegetables of different widths and prevent them from deviating from the middle of the first material conveyor belt 1. When the fruits and vegetables reach the end of the first material conveyor belt 1, the infrared sensor 14 is triggered, and the device receives the fruit and vegetable arrival signal. Preparation: The first material conveyor belt 1 pushes the fruits and vegetables out of the first material conveyor belt 1 and into the first guide plate 5. At this time, the infrared sensor 14 obtains the length of the fruits and vegetables and transmits this information to the knife holder 21 for use. The packaging film is installed on the roller 15 and folded into a U-shape by the first guide plate 5. The fruits and vegetables are located in the upper middle part of the U-shaped packaging film. The upper ends of both sides of the packaging film gradually approach each other by the second guide plate 16, and then the shape is maintained by the film support plate 18. The fruits and vegetables continue to be transported forward by the second material conveyor belt 24 driven by the second motor 9. The second material conveyor belt 24 is supported by the second support frame. 8 supports, the first fixing block 10 is fixed on the second support frame 8, the first fixing block 10 fixes the cylinder 17, the sealing device 20 and the knife holder 21. As the fruit and vegetables continue to pass through the sealing device 20, the polymerized packaging film is sealed on both sides. The knife holder 21 controls the horizontal sealing and cutting knife 22 to close with the knife groove 25, cutting and sealing the front end of the packaging film. Nitrogen gas enters the air inlet pipe 19 from the nitrogen tank 7 through the action of the air pump 6. The air inlet pipe 19 is extended into the sealed packaging film on both sides and the front end by the action of the cylinder 17 to inject nitrogen gas. After a period of time, the air inlet pipe 19 is pulled out, and then the knife holder 21 controls the horizontal sealing and cutting knife 22 to close the front end of the packaging film. The sealing and cutting blade 22 moves downward and closes with the cutting groove 25. Based on the length information of the fruits and vegetables, the packaging film is cut and the rear end is sealed. At this time, the packaging bag is formed, and the fruits and vegetables are located in the sealed packaging bag filled with nitrogen. The packaging bag is formed and the material is also wrapped and sealed at the same time. Therefore, the packaging bag has the adaptability to the size of the material, which can ensure that materials of different sizes can be packaged in an adaptive way in one conveying process. After the packaging is completed, the product is marked with the relevant mark of the fruits and vegetables by the marking head 23 controlled by the electric slide rail 11, and then continues to be sent out by the second material conveyor belt 24.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A biodegradable and environmentally friendly fruit and vegetable packaging marking device, comprising a first material conveyor belt (1), characterized in that: The first material conveyor belt (1) is rotatably connected to two ends of a first support frame (3). An infrared sensor (14) is fixedly connected to the top of one end of the first support frame (3). A second support frame (8) is fixedly connected to one end of the first support frame (3). A second material conveyor belt (24) is rotatably connected to both ends of the second support frame (8). A first fixing block (10) is fixedly connected to the top of the second support frame (8). A nitrogen filling mechanism is provided inside one end of the first fixing block (10). The nitrogen filling mechanism includes a cylinder (17), the top of the cylinder (17) is fixedly connected to the inside of one side of the first fixed block (10), the output end of the cylinder (17) is fixedly connected to an air inlet pipe (19), the bottom of the cylinder (17) is fixedly connected to a membrane support plate (18), one end of the air inlet pipe (19) is fixedly connected to an air pump (6), the output end of the air pump (6) is fixedly connected to one end of the air inlet pipe (19), the input end of the air pump (6) is fixedly connected to a nitrogen tank (7), one end of the first support frame (3) is provided with a conveying and guiding mechanism, one end of the second support frame (8) is provided with a guiding mechanism, the middle of the first fixed block (10) is provided with a membrane polymerization mechanism, and the other end of the second support frame (8) is provided with a marking mechanism.

2. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 1, characterized in that: The conveying and guiding mechanism includes a second fixed block (12), the bottom of which is fixedly connected to the top of the four corners of the first support frame (3). A groove (13) is provided on one side of the second fixed block (12), and a baffle (2) is slidably connected inside the groove (13).

3. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 1, characterized in that: The guiding mechanism includes a first guide plate (5), one bottom end of the first guide plate (5) is fixed to one end of a second support frame (8), the other bottom end of the first guide plate (5) is fixed to one end of a first support frame (3), and a second guide plate (16) is fixedly connected to the top of one end of the second support frame (8).

4. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 1, characterized in that: The membrane polymerization mechanism includes a central sealing device (20), which is fixedly connected to the inside of the first fixing block (10) on both sides.

5. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 1, characterized in that: The marking mechanism includes an electric slide rail (11), and a marking head (23) is slidably connected to the middle of the electric slide rail (11).

6. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 1, characterized in that: The first support frame (3) is fixedly connected to a first motor (4) at one end of the bottom. The output end of the first motor (4) is rotatably connected to one end of the first material conveyor belt (1). The second support frame (8) is fixedly connected to a second motor (9) at one end of the bottom. The output end of the second motor (9) is rotatably connected to one end of the second material conveyor belt (24).

7. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 3, characterized in that: The first support frame (3) has a roller (15) rotatably connected to one end of its bottom.

8. The biodegradable and environmentally friendly fruit and vegetable packaging marking device according to claim 4, characterized in that: The first fixing block (10) is fixedly connected to a knife holder (21) at one end. A horizontal sealing and sliding knife (22) is slidably connected inside the knife holder (21). A knife groove (25) is fixedly connected to the bottom of the knife holder (21).

Images